<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="model.css">
    <style>
        *{
            margin: 0;
            padding: 0;
        }
       html,body{
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
       }
       header{
        background-color: aquamarine;
        width: 100%;
        height: 50px;
       }
       section{
           padding: 10px;
           margin: 10px 0 10px 0;
           height: 800px;
           display: flex;
           justify-content: flex-start;
           flex-wrap: wrap;
           background-color: bisque;
           overflow: auto;
        }
        section>div{
            margin-left: 10px;
            margin-top: 10px;
        }
        .div_one{
            height: 500px;
            width: 20%;
            background-color: yellow;
        }
        .div_two{
            height: 500px;
            width: 50%;
            margin-left: 10px;background-color: rgb(119, 182, 237);
        }
        #example{
            width: max-content;
        }
        .div_three{
            height: 500px;
            width: 20%;
            flex: 2;
            background-color: black;
        }
        .div_four{
            height: 300px;
            width: 600px;
            background-color: blue;
            flex-grow: 2;
        }
        .div_five{
            height: 300px;
            width: 300px;
            background-color: rgb(126, 198, 43);
            flex-grow: 1;
        }
        .div_six{
            height: 300px;
            width: 300px;
            background-color: rgb(247, 97, 239);
            flex-grow: 1;
        }
        footer{
         background-color: blueviolet;
         height: 50px;
        }
    </style>
</head>

<body>
    <header>
        头部区域
    </header>
    <section>
        <div class="div_one">

        </div>
        <div class="div_two">
            <div id="example">
            </div>
        </div>
        <div class="div_three">

        </div>
        <div class="div_four"></div>
        <div class="div_five"></div>
        <div class="div_six"></div>
    </section>
    <footer>
        底部区域
    </footer>
    <a href="./选择器.html">选择器</a>
</body>

</html>